21259060

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14561}}^1$

素因数の和:14643

約数の個数: 24

約数和(自身を含む): 45258696

約数和(自身を除く): 23999636

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14561, 29122, 58244, 72805, 145610, 291220, 1062953, 2125906, 4251812, 5314765, 10629530, 21259060]

約数ペア:

[(1, 21259060), (2, 10629530), (4, 5314765), (5, 4251812), (10, 2125906), (20, 1062953), (73, 291220), (146, 145610), (292, 72805), (365, 58244), (730, 29122), (1460, 14561)]